<template>
  <div>
    <p>
      <ListOne></ListOne>
      <ListOne></ListOne>
    </p>

    <div>
      <ListTwo
        :list="item"
        v-for="(item, index) in list"
        :key="index"
        @choiceDog="choice"
      ></ListTwo>
    </div>
    <div class="dog">
      <h3>选择喜欢的狗</h3>
      <ul>
        <li v-for="(item, index) in dogname" :key="index">{{ item }}</li>
      </ul>
    </div>
    <hr />

    <table>
      <ListThree
        v-for="(item, index) in goodsArr"
        :key="index"
        :obj="item"
        @add="item.count = $event - 0"
      ></ListThree>
      <p>总数量：{{ total }}</p>
    </table>

    <hr />
    <h4>商品清单如下</h4>
    <ul>
      <li v-for="(item, index) in foodList" :key="index">
        {{ item.shopName }} <span>{{ item.price }}元/份</span>
      </li>
    </ul>
    <h4>请选择购买数量</h4>
    <ListFour
      v-for="(item, index) in foodList"
      :key="index"
      :obj="item"
      @changeEvent="item.count = $event"
    ></ListFour>
    <p><span>总价为：</span>{{ totalPrice }}</p>
  </div>
</template>

<script>
import ListOne from "./components/ListOne.vue";
import ListTwo from "./components/ListTwo.vue";
import ListThree from "./components/ListThree.vue";
import ListFour from "./components/ListFour.vue";
export default {
  data() {
    return {
      list: [
        {
          dogImgUrl:
            "http://nwzimg.wezhan.cn/contents/sitefiles2029/10146688/images/21129958.jpg",
          dogName: "博美",
        },
        {
          dogImgUrl:
            "https://ss2.bdstatic.com/70cFvnSh_Q1YnxGkpoWK1HF6hhy/it/u=1224576619,1307855467&fm=26&gp=0.jpg",
          dogName: "泰迪",
        },
        {
          dogImgUrl:
            "https://ss2.bdstatic.com/70cFvnSh_Q1YnxGkpoWK1HF6hhy/it/u=2967740259,1518632757&fm=26&gp=0.jpg",
          dogName: "金毛",
        },
        {
          dogImgUrl:
            "https://pic1.zhimg.com/80/v2-7ba4342e6fedb9c5f3726eb0888867da_1440w.jpg?source=1940ef5c",
          dogName: "哈士奇",
        },
        {
          dogImgUrl:
            "https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1563813435580&di=946902d419c3643e33a0c9113fc8d780&imgtype=0&src=http%3A%2F%2Fvpic.video.qq.com%2F3388556%2Fd0522aynh3x_ori_3.jpg",
          dogName: "阿拉斯加",
        },
        {
          dogImgUrl:
            "https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1563813454815&di=ecdd2ebf479568453d704dffacdfa12c&imgtype=0&src=http%3A%2F%2Fwww.officedoyen.com%2Fuploads%2Fallimg%2F150408%2F1-15040Q10J5B0.jpg",
          dogName: "萨摩耶",
        },
      ],
      dogname: [],
      goodsArr: [
        {
          count: 0,
          goodsName: "Watermelon",
        },
        {
          count: 0,
          goodsName: "Banana",
        },
        {
          count: 0,
          goodsName: "Orange",
        },
        {
          count: 0,
          goodsName: "Pineapple",
        },
        {
          count: 0,
          goodsName: "Strawberry",
        },
      ],
      foodList: [
        {
          shopName: "可比克薯片",
          price: 5.5,
          count: 0,
        },
        {
          shopName: "草莓酱",
          price: 3.5,
          count: 0,
        },
        {
          shopName: "红烧肉",
          price: 55,
          count: 0,
        },
        {
          shopName: "方便面",
          price: 12,
          count: 0,
        },
      ],
    };
  },
  components: {
    ListOne,
    ListTwo,
    ListThree,
    ListFour,
  },
  methods: {
    choice(dogName) {
      this.dogname.push(dogName);
    },
  },
  computed: {
    total() {
      return this.goodsArr.reduce((prev, item) => prev + item.count, 0);
    },
    totalPrice() {
      return this.foodList.reduce(
        (prev, item) => prev + item.count * item.price,
        0
      );
    },
  },
};
</script>

<style scoped>
.dog {
  width: 300px;
}
</style>
